The content of a container filled with sand and water would best be described as:
A) elements
B) a homogeneous mixture
C) a heterogeneous mixture
D) a compound
E) a solution
Correct Answer:
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Q20: Systematic errors are consequence of inherent errors
Q21: Which of the following is a compound?
A)water
B)oxygen
C)heat
D)salad
Q22: Which of the following represents a base
Q23: Water is:
A)a mixture
B)a compound
C)an element
D)a molecule
E)an atom
Q24: From ammonia gas,one can obtain two different
Q26: The prefix "milli" and the prefix "micro"
Q27: The quantity of matter in an object
Q28: Which of the following is longest?
A)3.0 nm
B)300
Q29: Sulfuric acid is:
A)a homogeneous mixture
B)a compound
C)an element
D)a
Q30: Which of the following is a chemical
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